题目内容

The MSS is typically set determining the length of the largest link-layer frame that can be sent by the local sending host----the so-called____.

A. Maximum transmission unit (MTU)
B. MSS
Checksum
D. Sequence number

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A File size of 500,000bytes, MSS equals 1000bytes. When we want to transmit this file with TCP, the sequence number of the first segment is 0, and the sequence number of the second segment is ____.

A. 1000
B. 999
C. 1001
D. 500000

Because TCP only acknowledges bytes up to the first missing byte in the stream, TCP is said to provide____.

A. Cumulative acknowledgements
B. Selective acknowledgements
C. 3 duplicate ACKs
D. positive ACKs

Provided RcvBuffer=20, LastByteRcvd=20, LastByteRead=15, then RcvWindow = ____.

A. 14
B. 15
C. 16
D. 10

TCP service does not provide____.

A. Reliable data transfer
B. Flow control
C. Delay guarantee
D. Congestion control